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CSF Radiators


CSF Race High Performance Intercooler for F32/F33/F36 4 Series - Black

Have an ECU Tune? You'll need one of these. Once boost is raised beyond the factory levels the stock intercooler struggles to cool the more compressed,
thus heated air leading to high charge temps and the ECU reducing power. 
The CSF Race High-Performance Intercooler dramatically reduces charge temps versus the stock intercooler, especially on cars running higher
boost than stock. 

Performance Increase:
  • Power increase of 15-20 hp on stock cars, 25+ hp on modified vehicles.
  • 25c+ drop in charge temperatures when compared to OE intercooler
  • Independent testing shows a 5c temp reduction vs. Wagner EVO 2 - See here https://babybmw.net/viewtopic.php?f=74&t=105037 
  • World Exclusive: Curved Bar Design - Maximising bar surface area and increasing flow through the core for improved cooling power!
  • Stepped core design for maximum surface area contact and internal intake air-flow volume.
  • Largest “drop-in fit” intercooler available in the industry.
  • Designed with 3D scanning / rapid prototype technology to ensure precise fitment and maximum surface area utilization. 
  • Lab tested on CSF’s in-house wind tunnel.
  • Drop-in fit” design for an easy & quick plug-and-play installation. 
  • Complete with OEM style “Quick-Connect” inlet/outlet connections.
  • Fully reversible back to OEM spec with no modifications needed.
  • Available in silver (#8115) and matte black (#8115B)
Year Model Sub-Model Chassis Code Engine Code
12-17 418d Coupe F32 B47
12-17 420d(X) Coupe F32 N47N
12-17 420i(X) Coupe F32 N20
13-16 420d Coupe F32 N47N
12-16 435i(X) Coupe F32 N55
13-16 435i(X) Convertible F33 N55
13-17 418d Gran Coupe F36 N47N
12-19 418d Gran Coupe F36 B47
12-17 420d(X) Gran Coupe F36 N47N
12-17 420i(X) Gran Coupe F36 N20
13-16 435i(X) Gran Coupe F36 N55